Ultrasonic Proximity Sensors

Ultrasonic proximity sensors are a type of non-contact sensor. They use transmitted or reflected ultrasonic waves to detect whether an object or material is present or absent. They are reliable and versatile and can be used reliably in almost all conditions.

How do they work?
These sensors work by emitting a short bust of ultrasonic sound at a specific frequency towards the target. When the target reflects the sound back to the sensor, the sensor measures the time it takes for the echo to return. The sensor will use the time it takes the soundwave to travel back to calculate the distance between the sensor and the object.

What are they used for?
Typical applications for these ultrasonic sensors include stacking height control, irregular part detection within hoppers and feeder bowls, automotive assembly and loop control. Other suitable applications include thread or wire break detection, robotic sensing, detection of people for counting and liquid level control.

Things to consider
When deciding which sensor you should choose, there are a few things that you should bear in mind. Ultrasonic proximity sensors can be affected by noise interference and some will have a blind zone at close proximity. The surface angle of the target, and the roughness of the target surface can also affect the sensor. Some materials such as cloth or carpeting can absorb soundwaves rather than reflecting them. The speed of sound can be affected by temperature and humidity which can impact the resolution and accuracy of the sensor.

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Description Price Detection Range Output Type Body Style Thread Size Transducer Frequency Diameter Maximum AC Voltage Maximum DC Voltage Supply Voltage Terminal Type IP Rating Housing Material Reverse Polarity Protection Short Circuit Overload Protection
RS Stock No. 700-2876
Mfr. Part No.UM30-214112
BrandSick
PHP29,643.75
Each
units
350 → 3400 mm PNP-NO/NC Barrel M30 x 1.5 120kHz 48 mm - 30V 9 → 30 V dc M12 - 5 Pin IP67 Nickel Plated Brass Yes Yes
RS Stock No. 458-5151
Mfr. Part No.UB2000-F42-E6-V15
PHP13,718.54
Each
units
60 → 2000 mm PNP-2NO/NC Block - 175kHz - - 30V 10 → 30 V dc M12 - 5 Pin IP54 ABS - Yes
RS Stock No. 814-1099
Mfr. Part No.BUS M30M1-PPX-03/25-S92K
BrandBALLUFF
PHP13,366.26
Each
units
30 → 350 mm PNP-NO/NC Barrel M30 x 1.5 320kHz - - 30V 9 → 30 V dc M12 - 5 Pin IP67 Brass, PBT, TPU Yes -
RS Stock No. 458-5189
Mfr. Part No.UB2000-F42S-E6-V15
PHP12,400.25
Each
units
60 → 2000 mm PNP-2NO/NC Block - 175kHz - - 30V 10 → 30 V dc M12 - 5 Pin IP54 ABS - Yes
RS Stock No. 773-7342
Mfr. Part No.UBE800-F77-SE2-V31
PHP14,322.28
Each
units
0 → 800 mm PNP-NO Block M8 x 1 300kHz - - 30V 20 → 30 V dc M8 - 4 Pin IP67 Polycarbonate - Yes
RS Stock No. 458-5218
Mfr. Part No.UB2000-F42S-I-V15
PHP12,449.49
Each
units
60 → 2000 mm Analogue Block - 175kHz - - 30V 10 → 30 V dc M12 - 5 Pin IP54 ABS - -
RS Stock No. 814-1121
Mfr. Part No.BUS M30M1-PPX-60/600-S92K
BrandBALLUFF
PHP14,895.08
Each
units
600 → 6000 mm NO/NC Barrel M30 x 1.5 - - - 30V 9 → 30 V dc M12 Connector, M30 Connector IP67 Nickel Plated Brass, PBT, TPU - -
RS Stock No. 700-2873
Mfr. Part No.UM30-212113
BrandSick
PHP35,495.00
Each
units
60 → 350 mm Analogue Barrel M30 x 1.5 400kHz 30 mm - 30V 9 → 30 V dc M12 - 5 Pin IP67 Nickel Plated Brass Yes Yes
RS Stock No. 123-2469
Mfr. Part No.UGT585
PHP10,811.73
Each
units
80 → 1200 mm Analogue, PNP-NO/NC Block M18 x 1 200kHz - - 30V 10 → 30 V dc M12 - 4 Pin IP67 Epoxy Glass Ceramic, PBT, Polyamide, Stainless Steel Yes Yes
RS Stock No. 258-4948
Mfr. Part No.UC4000-30GM-IUR2-V15
PHP29,274.40
Each
units
200 → 4000 mm Analogue Barrel M30 x 1.5 85kHz 40 mm - 30V 10 → 30 V dc M12 - 5 Pin IP65 PBT - -
RS Stock No. 510-3665
Mfr. Part No.UB500-F54-E5-V15
PHP12,505.32
Each
units
30 → 500 mm PNP-NO Block - 380kHz - - 30V 10 → 30 V dc M12 - 5 Pin IP65 ABS - Yes
RS Stock No. 405-7230
Mfr. Part No.T30UIPAQ
BrandBanner
PHP33,290.01
Each
units
150 → 1000 mm Analogue, PNP-NO Barrel M30 x 1.5 228kHz - - 24V 12 → 24 V dc Pre-Wired IP67 PBT Yes Yes
RS Stock No. 303-5150
Mfr. Part No.UNAM 18P1703
BrandBaumer
PHP22,996.22
Each
units
100 → 700 mm PNP-NO Barrel M18 x 1 240kHz 18 mm - 30V 12 → 30 V dc M12 Connector IP67 Nickel Plated Brass Yes Yes
RS Stock No. 612-2112
Mfr. Part No.XX930A3A2M12
PHP29,263.58
Each
units
300 → 8000 mm Analogue Barrel M30 x 1.5 75kHz 30 mm - 24V 15 → 24 V dc M12 - 4 Pin IP65 Plastic Yes Yes
RS Stock No. 815-4192
Mfr. Part No.U500.PA0-11110577
BrandBaumer
PHP9,342.90
Each
units
100 → 1000 mm Push Pull Block - 220kHz - - 30V 12 → 30 V dc M12 Connector IP67 ASA, PMMA Yes Yes
RS Stock No. 610-5707
Mfr. Part No.3RG6014-3AD00-PF
PHP26,350.73
Each
units
600 → 6000 mm PNP-NO Barrel M30 x 1.5 80kHz 65 mm - 30V 12 → 30 V dc M12 Connector IP65 Nickel Plated Brass - -
RS Stock No. 700-2867
Mfr. Part No.UM30-212112
BrandSick
PHP27,241.25
Each
units
60 → 350 mm PNP-NO/NC Barrel M30 x 1.5 400kHz 30 mm - 30V 9 → 30 V dc M12 - 5 Pin IP67 Nickel Plated Brass Yes Yes
RS Stock No. 458-5549
Mfr. Part No.UB4000-F42-E6-V15
PHP12,839.88
Each
units
200 → 4000 mm PNP-2NO/NC Block - 85kHz - - 30V 10 → 30 V dc M12 - 5 Pin IP54 ABS - Yes
RS Stock No. 610-5684
Mfr. Part No.3RG6013-3AD00
PHP18,681.25
Each
units
200 → 1300 mm PNP-NO Barrel M30 x 1.5 200kHz 30 mm - 30V 12 → 30 V dc M12 Connector IP65 Nickel Plated Brass - -
RS Stock No. 847-9637
Mfr. Part No.QT50ULBQ6
BrandBanner
PHP41,799.54
Each
units
200 → 8000 mm Analogue Block - - - - 30V 10 → 30 V dc M12 - 5 Pin IP67 ABS/Polycarbonate Yes Yes
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